Mathematics 0580 · IGCSE · Estimation

Estimation — practice question

$T = \dfrac{49.2 - 9.59}{4.085 \times 2.35}$
(main)[2]

Using each number rounded correctly to $1$ significant figure, find an estimate for $T$. Show every step of your working.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “M1 for correctly evaluating $\dfrac{50-10}{4 \times 2}$” …

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